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乐 · 2020年05月14日

问一道题:NO.PZ2020020202000020 [ CFA III ]

问题如下:

For a portfolio with 10 year performance, the maximum drawdown is -24% and the drawdown duration is 4 months, which indicates that

选项:

A.

the portfolio recovered quickly from its maximum loss.

B.

over the 10-year period, the average maximum loss was –24.00%.

C.

a significant loss once persisted for four months before the portfolio began to recover.

解释:

A is correct.

Maximum drawdown is the cumulative peak-to-trough loss during a continuous period. Drawdown duration is the total time from the start of the drawdown until the cumulative drawdown recovers to zero, which can be segmented into the drawdown phase (start to trough) and the recovery phase (trough to zero cumulative return). The maximum drawdown was –24.00%, with a drawdown period of four months. Given the 10-year time frame, the portfolio recovered quickly from its maximum loss.

请问这个题b和c选项为啥错。drawdown不就是从一开始到恢复吗。那我觉得c对呀。
1 个答案

星星_品职助教 · 2020年05月14日

同学你好,

maxmium drawdown并不是一个“average”的概念,所以B选项错误,

题干中的drawdown duration指的是从下降开始,到累积的drawdown达到最大值-24%,再到恢复到0,这三个步骤加在一起的时间是四个月,而不是从恢复开始持续了四个月,所以C选项错误